An experimental anti-cocaine vaccine blocks the drug from reaching the brain, according to a study of non-human primates. Scientists at Weill Cornell Medical Center in New York say human trials of the vaccine may begin within a year.

The Substance Abuse and Mental Health Services Administration’s second annual National Prevention Week begins on Sunday, May 12. This national health observance, which continues through May 18, aims to increase public awareness of, and action around, substance abuse and mental health issues.